<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Question;
/**
* Represents a yes/no question.
* @author Fabien Potencier <fabien@symfony.com>
class ConfirmationQuestion extends Question
{
* Constructor.
* @param string $question The question to ask to the user
* @param bool $default The default answer to return, true or false
public function __construct($question, $default = true)
parent::__construct($question, (bool) $default);
$this->setNormalizer($this->getDefaultNormalizer());
}
* Returns the default answer normalizer.
* @return callable
private function getDefaultNormalizer()
$default = $this->getDefault();
return function ($answer) use ($default) {
if (is_bool($answer)) {
return $answer;
if (false === $default) {
return $answer && 'y' === strtolower($answer[0]);
return !$answer || 'y' === strtolower($answer[0]);
};